Class 12 NEET Biology Molecular Basis of Inheritance Questions Part 1

When E. coil fully labelled with N15 is allowed to grow in N14 medium, then after first generation of replication one of the two strands would have N15 and the other strand would have N14. The resulting molecule would have a density which is intermediate between N15 DNA and N14 DNA.
These two molecules of DNA will be similar but not same in density.